12074691 has 16 divisors (see below), whose sum is σ = 16653728. Its totient is φ = 7776000.

The previous prime is 12074687. The next prime is 12074729. The reversal of 12074691 is 19647021.

It is a happy number.

It is not a de Polignac number, because 12074691 - 2² = 12074687 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12074611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19791 + ... + 20391.

It is an arithmetic number, because the mean of its divisors is an integer number (1040858).

Almost surely, 2^12074691 is an apocalyptic number.

12074691 is a deficient number, since it is larger than the sum of its proper divisors (4579037).

12074691 is a wasteful number, since it uses less digits than its factorization.

12074691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 12074691 is about 3474.8656089121. The cubic root of 12074691 is about 229.4168655748.

The spelling of 12074691 in words is "twelve million, seventy-four thousand, six hundred ninety-one".